Finding the Third Proportional to 12,839,067 and 19,944,189

Step by Step Solution

1. Step 1: Write the proportion equation
   12,839,067 : 19,944,189 = 19,944,189 : x
2. Step 2: Convert to fraction form
   12,839,067/19,944,189 = 19,944,189/x
3. Step 3: Cross multiply
   12,839,067x = 19,944,189 × 19,944,189
4. Step 4: Simplify right side
   12,839,067x = 397,770,674,867,721
5. Step 5: Solve for x
   x = 397,770,674,867,721/12,839,067
6. Step 6: Final answer
   x = 30,981,275.73